/**
 *
 * @description:
 * @author: junyong.hong
 * @createTime: 2018/3/21
 * @version: 1.0.0.0
 * @history:
 *    1、
 *    2、
 *
 */
export function a() {
    return 'this is a'
}
export function b() {
    return 'this is b'
}
export function c() {
    return 'this is c'
}